Question: A smart landscaper is given the task of placing 4 trees so that they are all the same distant away from each other.
How does he do this?
Answer: He puts three trees into a triangle then one on a hill in the middle (this forms a tetrahedron).
Question: A rich man suddenly dies from a cut on his finger. The next day, two men appeared and claimed to be his long-lost son. They both fit the description in the will and had all the necessary documents. The family attorney proposed a blood test. One man agreed while the other point blank refused. The one who agreed was arrested for fraud at once. The second man was accepted as the heir. Why?
Answer: He was a hemophiliac, like his father, who died from a small cut. The blood test would kill him.